now this is my own fault, but it did make me laugh.
I have been testing my pc out, trying to drop my v core on my cpu a little, now i started prime95 up and went for a smoke and coffee, came back to the pc read some forum ect then went for more coffee and smokes (never even game prime a thought) came back up and decided to have a round of bf3. joined the server was ok, then the misus got up and things got a little laggy occasionaly, nothing too bad though so blamed her watching vids on youtube, bloody woman and her likkel eepad
well i finished my round, dropped from the server and noticed my cpu was running 100% on all cores, hmm thats strange, went to shut down origin and found i had left prime running and working hard, yes i did laugh about it, but amazing performance to prime and bf3 at the same time, even if it did get a bit choppy on occasions